Gyula 2000-02-21 07:08:01 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 11 | 74 | 22 | 162 | -15.99 | 334.29 | -78.29 | 104.86 | 0.9743 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 10 | 67 | 21 | 140 | -16.07 | 335.25 | -77.34 | 104.87 | 0.9711 | |
| -1 | -1 | -1 | -1 | -16.26 | 334.92 | -77.65 | 105.09 | 0.9723 | |
| 1 | -1 | 1 | -1 | -15.76 | 333.85 | -78.73 | 104.63 | 0.9765 | |
| 0 | 4 | 0 | 10 | -14.58 | 331.00 | -81.58 | 103.65 | 0.9860 | |
| 0 | 3 | 0 | 12 | -15.29 | 328.36 | -84.21 | 104.59 | 0.9922 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
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that the umbra consists of fragmented regions which cannot be separated without losing umbral area. In this way several spots (intensity minima in the umbra) have a common umbra, e.g. -2 means that the given spot shares an umbra with spot No.2, and the common U value is indicated at spot No.2. |
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| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
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that several umbras have a common penumbra, e.g. -7 means that the given umbra shares a penumbra with umbra No.7, and the WS value is indicated at No.7. |
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| Corr. U | - Corrected umbra area in millionths of solar hemisphere, for negative values see above | |
| Corr. WS | - Corrected whole spot area in millionths of solar hemisphere, for negative values see above | |
| B | - Heliographic latitude B; positive: North, negative: South | |
| L | - Heliographic longitude L | |
| LCM | - Longitudinal distance from the Sun's central meridian | |
| Pos. angle | - Position angle | |
| r | - Distance from the centre of Sun's disc in terms of Sun's radius | |